Package closure



FIG. 1 is a perspective view of the package closure;

FIG. 2 is a front view of the package closure;

FIG. 3 is a rear view of the package closure;

FIG. 4 is a right side view of the package closure;

FIG. 5 is a left side view of the package closure;

FIG. 6 is a bottom view of the package closure; and,

FIG. 7 is a top view of the package closure.

The broken lines in the drawings depict environmental matter and form no part of the claimed design. 

CLAIM The ornamental design for a package closure, as shown and described. 